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University Webmail and Email Support

University of Colorado Denver

Your email lives in the cloud in Microsoft Office 365

  • All email now lives in the cloud at Microsoft Office 365 and is accessible from anywhere
  • You now have increased mailbox sizes limits up to 50GB
  • You now have an online archive where you can store all your old email up to 100GB
  • You have the ability to send attachments up to 25MB
  • You now have unlimited storage in the public cloud


This all comes with some caveats:

  • The additional storage in the cloud may only be used for personal file storage, per CU Policy 2006. Please read the policy here​ for clarification.
  • Exchange Online limits


Office 365 Quick Reference Guides:


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